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# frozen_string_literal: true
class AddPartialIndexOnLockedStateIdToMergeRequests < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
INDEX_NAME = "idx_merge_requests_on_target_project_id_and_locked_state"
LOCKED_STATE_ID = 4
disable_ddl_transaction!
def up
add_concurrent_index :merge_requests, :target_project_id, where: "(state_id = #{LOCKED_STATE_ID})", name: INDEX_NAME
end
def down
remove_concurrent_index_by_name :merge_requests, INDEX_NAME
end
end
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